DF |
CF |
DE |
BE |
DP |
BQ |
DE |
BE |
DF |
CF |
DF |
CF |
1 |
2 |
EF |
BC |
DE |
DB |
1 |
3 |
13 |
3 |
PD |
CG |
DF |
CF |
1 |
2 |
EM |
DN |
BE |
BD |
EM |
AB |
2 |
3 |
1 |
2 |
13 |
3 |
208 |
3 |
13 |
2 |
13 |
2 |
3 |
2 |
(11-3x)2+122 |
16 |
3 |
3 |
2 |
16 |
3 |
A.
| B.
| C.
| D.
|
x |
2 |
y |
3 |
z |
4 |
x+y+z |
2x |
S△ADE |
S△ABC |
a |
b |
2 |
9 |
a+b |
b |
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